I am not sure that there are many positive reasons for encouraging people into teaching, I think they are more negative reasons (no surprise there).
First Mr Black was of course a (head) teacher, so that made it respectable, (which is a positive reason actually). Second, we all know that one thing Struthers suppresses is independent thought. That probably stops most people from setting up their own business or getting involved in the creative arts. The preaching against everything from alcohol to television or popular music reduces the number of possible industries people can work in, so choices get narrowed down further. We then have the point about people being encouraged to stay where there was a church, so any job that involves extensive travel is obviously unspiritual.
I think there are other factors as well. The church does not want to have to deal with people in real life situations like being made redundant or their business going under, as that might imply that they had not made the right decision when accepting the job or setting up the business. Very naughty, and obviously not in line with the guidance of the spirit, which comes through the infallible leaders, so people are guided into options that are unlikely to lead to the real world problems that don’t exist in the Struthers fantasy world.
Teaching or physiotherapy or any of the other jobs mentioned are fairly safe in this regard – sensible choices that are not likely to lead to redundancy or anything that could be the fault of the individual. Any problems are the fault of the pupils or of society.
One thing I also want to say is about the "outreaches" mentioned by Rensil.
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Rensil
In the 1980s there were a lot of young people in SMC who had joined while they were students, because SMC held outreaches at that time in the various universities and colleges including teacher-training colleges. The result was that after a few years, there was a high number of professional people including many teachers, physiotherapists, as Biscuits mentions, and nurses, plus many musically gifted people.
I think these “outreaches” are very interesting, and very different from what most churches would think of as outreaches. In every case I know of, the outreach has been by a young Christian in Struthers engaging with other young people. Now, there is nothing wrong with that, but:
a) It does not actually seem to be part of the church outreach, more an individual directly engaging with people – let’s call then young personal evangelists.
b) The approach used is based on personal interaction, yet the Struthers doctrine is to avoid such personal interaction. The result is that these young personal evangelists are only effective during college years, they dry up once they start work.
b) the leaders have little or no direct involvement with this work, so I am not sure they should be claiming any credit for it.
In my book, there has not been any effective outreach or evangelism in Struthers since Mr Black was directly engaged in this. All other “outreaches” are basically young Christians being effective not because they are part of Struthers but because they are acting AGAINST the advice of Struthers. Ironically, the most effective way to bring people into Struthers is for young people to work in ways that are not approved of. This brings people in, because it is based on personal discussions and interactions. Once these very effective young people “mature” into the full Struthers doctrine, they cut themselves off from others and become ineffective. What a terrible loss to Christianity!