The poster wrote “those” leading the service are borderline heretical. “Those” are people, and he says the people are borderline heretical. Not actions, not practices, but people leading the service.
Now there was nothing to back up the statement as to WHY they were so-called borderline heretical. Just an accusation that “those” leading the service are borderline heretical.
The statement is clear–he/she is talking about people, not practices, positions, etc–people.
Statements like that are judgements of people the poster has no right to make, and is accusatory of something without proof. If he/she is making statements like this to others in the parish about these people, it is also scandalous and possibly calumny.
Defend it if you like–this is plain wrong.