Earlier quoted context omitted.
In both cases, this is due to government regulation, not first-mover disadvantage. TVs showed up at about the same time in Europe and the US (first working TV was in the UK, and first regular TV station was in the US, but you’re talking about a year or so’s difference). SCART became a thing because the French government required companies to support it from 1980 on; previously European TVs generally used DIN. As for…
Tap to pay felt like it took off in the US as a reaction to the germ hysteria of the pandemic. Swiping a card was arguably more convenient than getting out and unlocking your phone. There wasn't much demand for it here when it was popular in e.g. Singapore. The amount of time people spend holding (rather than pocketing) their phones is also probably higher than it was in the 2010s, so the cost of digging it out of yo…
Another factor may be that American card terminals were traditionally quite slow, or at least vendors rarely prioritised speed (I have no idea _why_ this was the case, but it definitely seems to have been the case). Tap to pay really works best if the auth can happen within a second or so.