Originally Posted by
Ludens
It’s been a while since I read up on this, but at least part of it must be due to him being Caesar’s political proxy during the run up of the civil war. Caesar needed an elected official on his side - and M. Anthony was of the right age and ambition - and would be unlikely to win without Caesar’s support. This would have positioned him as a prominent member of Caesar’s entourage, more so than his later rival, the unknown and untested Octavian.
And we shouldn’t take Roman gossip at face value. Quite a few members of the Roman political elite had attracted nasty rumours during their early career, including Caesar himself.