Good for him. Because of this: "My supervisors have a rather superficial understanding of Quantum Computing, and I feel like their idea to start a project in that domain was to a not inconsiderable extent motivated by the prospect of granted research funds , not primarily by their desire to achieve a deeper understanding of quantum stuff." It's always about grant money. Especially with anything that starts with Quant…
At least in most countries in Europe, where a PhD is expected to be a paid job, and unless you are from a really rich institution, you need grant money to take PhD students. There is no other way to do it, except for taking unpaid students, which is typically not considered an ethical thing to do. And yes, sadly, being successful in asking for funding means pitching the hot topics du jour, which typically don't coinc…
I agree but this was the original idea behind tenure, and here we are. The question is how to return to this understanding of its meaning.