I love Halsin, but given how he is written now: Yes, people should have the possibility to tell him to F off.
Why is Halsin the only character in game, who preaches consent, was included as pure fan service, shown as an example of how many choices you had in the game, and then he is the character where you have the least amount of actual influence?
I adore him, but unlike other characters he is shoved down your throat along with his extreme focus on sexuality.
