I don't know if it was that for 100 years, but certainly in recent years, the offence was 'deliberate handling' and had to include, 'in the opinion of the referee' intent. But pundits were never happy with that. Suarez scored a goal for Liverpool (I seem to remember it being against Sunderland) off his arm. People were up in arms (pun not intended, but left in there), couldn't understand why the ref allowed it (iirc, it was on the blindside of the ref, so no idea if he would have allowed it if he'd seen the contact). There was a Newcastle goal (again, I think against Sunderland, poor them), it was crossed in and the forward tried to head it. No one noticed, that he missed it with his head, and it went in off his arm. On goals on Sunday, Kammy was railing against the goal and how, despite the law saying it has to be intentional, it should be disallowed. Just as a couple of examples that spring to mind. (The Kammy one sticks in my mind because it came a week or two after he ranted about refs giving handball penalties for handballs that Kammy didn't think were deliberate and he made a big deal about how it has to be deliberate).
So no, we haven't been satisfied with it, up until now. There have always been calls that it can't just be about intent, they have to take into account how a team benefits from the handling.
This interview with Declan Rice - has a tone of someone dying. FFS, it's a game of football. He didn't think it would be disallowed? Has he been paying any attention this season? It was quite well publicised at the start of the season, all the rule changes with the introduction of VAR, there have been multiple instances of goals being disallowed for non-intentional handballs. Why are people acting like this is something special?
Quite. The Thierry Henry handball, in the World Cup play off against the RoI is the other big example repeatedly brought up.