I only clicked on a handful of accounts but several of them have plausibly real looking profiles.
https://github.com/Hancie123/mero_hostel_backend/commit/4bcb...
There are hundreds of automated spam comments there from presumably compromised accounts. The new OP is much more clear regarding what has happened.
https://github.com/Hancie123/mero_hostel_backend/commit/4bcb...