Certainly no-one should feel guilty - or feel they're being pressurised - if they don't want or aren't able to donate to this charity (or any other). Giving to charity should never be a guilt trip.
But it is a good charity, it's a nice idea having a shared fundraising objective that people can chip in to if they wish, and there's certainly nothing wrong with people flagging it up sensitively on forums across the site.
It shouldn't be controversial, so let's keep it positive.
