But for now... I think you have a point. We would have seen more than Falcon, MPT, Llama, and the open Llama reproductions by now if open source foundational model training was viable.
And eventually might mean 10 years.
4k took ages until it just worked. I even switched to the M1 for this
For example the gcp (Google cloud ui) became unusable while sharing in Ms teams.
Also good 4k displays/fast ones still had a fan build in.