Correlation is not causation. The meme implies causation, but all it’s facts just tell us that there is some correlation in the timeline.

More likely than a change of president being the cause of the failures, is the departure of Tom Mueller. Tom Mueller was the driving force behind the success of SpaceX and he left the company in 2020: https://en.m.wikipedia.org/wiki/Tom_Mueller. The effects of his departure probably took longer to ripple out through the company: others no longer being protected from Elon’s hubris, more key people leaving, … In the mean time old projects were still being successfully completed, but sooner or later the rot would start to show on the outside.

Tldr: Never trust memes.

I actually think that’s a fair question, the distance between Ireland and Scotland is less than the English channel and that can be crossed by rail. If I were to travel to Japan or some other place that I don’t know, then I’d assume that some of the islands are connected by rail and some aren’t, so in a conversation it would be natural for me to ask the same question: can I go there by rail?