This is not good. WWW.BetOnline.ag shows great pessimism about the season starting on time.
Will the 2022 MLB Season Start on March 31st, 2022?
Yes +175 (7/4)
No -250 (2/5)
BetOnline.ag
That translates to a probability of .71 for no, .36 for yes.
MLB has a page devoted to the lockout to keep fans up to date on their latest spin. The MLBPA is behind in this regard.