Lornas can be supplied to the AI. These are data sets of specific ideas like certain hand gestures, lighting levels, whatever style you need you can fine-tune the general data set with lornas.

I have the minimum requirements to produce art and HQ output takes 2 minutes. Low-quality only takes seconds. I can fine-tune my art on a LQ level, then use the AI to upscale it back to HQ. This is me being desperate, too, using only local software and my own hardware.

Do this through a service or a gpu farm and you can spit it out much quicker. The services I've used are easy to figure out and do great work for free* in a lot of cases.

I think these suggestions will certainly be barriers and I can think of some more stop-gaps, but they won't stop everyone from slipping through the cracks especially as passionate individuals hyper-focus on technology we think in passing continue working on it.