[captainbland]

It seems like you're kind of on the fence about it. I'd say try applying to a few positions that seem interesting to you anyway, that are likely to give you an interview, but don't lie about being super enthusiastic about reading through stacks of paper or whatever while you're doing it. Just be honest about the sorts of things you hope you'd get out of the programme while you're there - maybe they'll consider you a good fit, maybe they won't or maybe you'll figure out that you want to do it or not while you're doing that.

At least then you'll have explored your options fully even if you don't end up going for it with the greatest amount of knowledge about it as you could have - if nothing else you'll have informed regrets!

There's another aspect to this though: There's a big tradeoff between "interesting" work and "good" work in some cases - for instance consider the games industry. That's arguably the peak of creative technical work but because so many people want to do it often the conditions aren't great and the pay is lower than some other fields despite the work being as hard or harder. Consider it an artefact of supply and demand in the labour market I suppose.