That would be a very large machine, for the price taking 2 minutes before each cut to verify square doesn’t seem like much to ask.
This is one person with problems, There have to more than 1000 builds out there. When the problem is found it usually is something simple, there are just many things to check first to find it.
I don’t delete threads, so if you look through them you can see most people find the issue. It just needs to be looked at systematically.