oh yes it can , deary deary me so you dont have a clue about gain of function and its indicators take the shovel out your hand you clearly do not have a clue what you are talking about .No it cant
And by the way scientists don’t have the ability to manipulate viruses other than try and influence their evolution….which can’t be identified as being separate from natural evolution.
Here’s a tip from me: admit you are wrong now rather than digging yerself an ever deeper hole.