No problem!

We did the same thing, wrote out a small, basic set of guidelines outlining why we didnt want anything on social media or big tech clouds among a few other things.

Most family downloaded signal straight away which was a bonus to be able to possibly fuck off messenger in the future.

As long as you make it as easy as possible (within reason, dont bend over backwards if someone doesnt want to comply for no good reason) for others within your boundaries then it will end up being mostly painless.

Also congratz on becoming soon to be new parents! Sleep as much as possible now! Haha… Aha… Ha…