I've done it a few times when it comes to ladies I haven't met yet. Usually just to find out how accurate the pictures are, basic locations and any favs not included in the donation.
This is after attempts to get in contact and wiether I should keep trying.
Answered reasonable pms also. Ones that don't sound right get ignored.
Sometimes guys have helped sometimes they haven't. Bit the bullet a few times and went for it, had a great time, other times not so great.
Holding on to anger is like drinking poison and expecting the other person to die