After reading the complaints, it is directed into common way how GDPR is beeing handled by large companies, showel everything under legitimate interest, update privacy policy and force consent, which is clear violation.
Now this is going to be interesting, maximum posible penalty for all four (combined) is 7.6 Mrd euros.
However, as much as I would like them to get slapped around, I believe the likes of Facebook are too smart/nefarious to act the way they do without having some sort of plan or escape hatch that would have them dodge said fines.