From what I've read, and heard from friends in Kenya (where circumcision is a prevalent tradition and the area has a high infection rate), is that circumcision reduces the infection rate because it hardens the skin of the penis - meaning less abrasions and cuts, meaning less blood mixing/contamination.
I haven't got the vaccine as yet, but I've been very recently summoned to get one by the national health body. I think the biggest deciding factor for me is... Doing research - and, tbh, finding time to understand the intricacies of human biology and how particular vaccines work is difficult/time consuming.
The one thing I'll add which has been skirted around and some commenters have 'skirmishly' mentioned is the amount of distrust for authority, which IMO can be well-placed. The amount of deceitfulness conducted by the state on various matters, important and trivial, over the past several decades (though probably for all of human history - but come to light (due to the internet)) has fostered this mistrust. The list of lies or misinformation is extensive; the wars, the bailouts, the disregard for communities, the deportations: the policies; in essence the corruption and ulterior motives of the state is and has been questionable. Thus, the backlash against the vaccine(s) is understandable and I partly feel it within me too.
Also, to make a rational decision you have to have a lot of the main pros and cons, but what we have been supplied with are just extreme incorrect cons and/or extreme & well-placed pros - there has not been any balanced adult 'conversation' (i.e., a balanced cost-benefit assessment geared towards the individual) which in its absence is unscientific and fairly illiberal. That's my 2 cents.