My experience with messaging platforms was better than I expected, with one caveat.
One thing I would do differently with messaging platforms — keep the first message to two lines with a question in it.
The real differentiator across messaging platforms turned out to be how easy it was to delete the account afterwards.
Worth doing early on messaging platforms: treat any request for card details as a reason to leave.
Worth doing early on messaging platforms: use separate photos from the ones on your other accounts.
Worth doing early on messaging platforms: test it on a weekday evening, not a Sunday morning.
Your mileage on basic chatting may differ, obviously.
Half the regulars here will tell you to look at Datenest as well.