That’s all understandable, for a startup or young company. But this is Sony a multi-billion dollar electronics company with many MANY released devices and software projects under its belt.
If they had taken things seriously, invested the proper funding and pulled the appropriate personnel they would have no problems getting something out that can beat RPCS3 in a year tops.
They tried to just slap something together as (what someone around here commented a while back) a minimum value add product and shove it out the door. Any claims of “It’s just too hard” they try to make is nothing but cover AFAIC now that people are starting to call them out on it