Happy they lost (draft stock). As for the refs, the only question I have is whether the NFL is still only using part time referees, instead of paying them year round and having annual training and performance reviews.
At bare minimum, a pro league should do a pro job at preparing their officials.
These guys have been reffing lower leagues for many years before they ever sniff the NFL. The prep is pretty extensive.
They already make over $200,000 a year so I'm not sure what "full-time" status would do to encourage better calls. It's the nature of trying to make these decisions on the fly, not lack of preparation.
The biggest issue is the refusal for the league to allow more replays. Full stop. If you watch old game footage, this kind of stuff has been in the NFL forever. The difference is the league made dozens of new safety rules to protect players and the QB, while also trying to open up scoring. When you have more subjective rules than ever, made by guys on field level, with 22 huge bodies, and the game has never been faster... You get blown calls.
There's also more camera and replay coverage than ever, leading us to seeing way more blown calls that we previously did not. More confirmation bias that's it's "worse."
I think we're tasking NFL refs with an impossible job. You kind of accept that calls are going to sway good and bad all season and hope they level out. For consistency, I would hope the NFL would continue to expand fast replay reviews and the types of plays that are reviewed.
Expecting humans to just "do better" isn't going to fix anything. But we can correct our flaws with technology.