I suppose it's a matter of expectations.
When the children were growing up we always had daily meals at the kitchen table. No phones. No toys. No getting up and running around until everyone has finished eating.
Special occasions, same except in the dining room.
Never had any issues in restaurants etc because I suppose they grew up with the expectation that you sit at the table when eating.
The only real exception to this was/is Christmas Day where the whole meal shebang can take a long time and we generally take a gap anyway after starters/main as everyone is so full (
) before tackling pudding/cheese. Also the (then) children would be excited to play with their presents.
But each to their own. I was brought up to eat at the table/converse and not mess around. So I suppose that's been my "template".
It's something that's simply not important to other families and from my perspective that's up them.
When visiting families with other approaches I just go with the flow. On the other hand when hosting it's the same in reverse in the sense of my house my rules.
Tbh I've never had any issues. When the children's friends visited they just followed their lead in sitting down, no gadgets etc.🤷♀️
In general I've experienced far more poor table behaviour from adults than children (not family/friends but acquaintances).