Great points. It's hard (maybe impossible) to disentangle all these factors when evaluating major historical events.

There's a perspective, based on revealed preference, that says people preferred the industrial cities, however harsh and ugly they were. Otherwise they wouldn't have moved there. As you point out that misses the contribution of a political act that forced them into the cities. The Enclosure Act is a tricky one to evaluate from a property rights perspective and requires more nuance than it's usually given.

We in developed economies obviously think of that kind of child labor as horrific, but I don't know how to weigh it against other similarly developed economies. If you look around the world today, there are many poor places where kids have to work in horrible conditions or face starvation. That said, however much worse the Industrial Revolution made that should be counted on the cost side of the ledger.

In general, when politicians attempt to accelerate (or decelerate) historical trends, it's going to make the transition more costly than it needed to be.