It's not even that I care if people aren't enthusiastic really, it's just that my feelings are hurt by it all and I'm a bit embarrassed.
OP, please don't be embarrassed! The embarrassment belongs to those who shun you or are critical. Look, this is all about you and your DH. He loves you and wants to marry you and spend your lives together. You feel the same. Everything else is just detail. Forget the big staged wedding with wedding cars and pre-wedding rehearsal dinners and whatnot, just think about what you two would like, and who you'd really like to share it with.
First thing I'd do is check the venue and see what's refundable or can be altered and what options they offer. Just say you're rethinking the whole event as you want a more intimate occasion, and see what they offer you. Same with the entertainment. Then armed with that information, you can make some choices to change, scale back, cancel, or whatever.
My own wedding was DIY at the registry office with 40 guests with a champagne afternoon tea at a local museum community room afterwards. I had local caterers for the afternoon tea but served my own champagne and wine and made my own cake which the caterers kindly served. Dress, rings, licence, room fee, caterers, champagne, the whole lot came in at just over £2,000.
Whatever you decide @RubbishAtWeddingPlanning , I am rooting for you and wishing you all the best. As the date gets closer, would love you to do a part 2 thread with updates, but only if you're not too stressed.