I think the problem is the way that original post was worded. (I also think that there is an element of jealousy from those who had to pay for their own weddings - so therefore you (OP) are being branded as unreasonable and childish for not paying for your own wedding - if your parents are freely paying for it, then why shouldn't you enjoy that?!
We didn't pay a penny towards our wedding, other than paying for the invitations. When I got engaged, my father said that he would pay for it all, and refused our offers of a financial contribution. My PIL didn't contribute a penny, and although it would have been nice of them to offer, I didn't expect it. And therein lies the key to this - I think you are BU because you are 'expecting' something. Equally, I think that they are being unreasonable expecting your father to foot the bill for hotels and taxis. For my wedding, I block booked a hotel because we live in the middle of nowhere and there weren't many options, and put a note in with the invitation saying that rooms had been reserved for those who may want one - I certainly didn't pay for them.
The reception was held at my childhood home, and my father worked out how big the marquee could be, and how many guests we could have, and then we worked out who HAD to be invited (my father is one of 6 and so there are a LOT of cousins/aunts/great aunts etc), and then we got an allocation for our friends as did my PIL.
I know that it was a huge financial 'burden' on my father and it cost a very substantial sum of money, but they wanted to do it, they can afford it, and I'm his only daughter and he wanted to gift us a wonderful day. We had champagne all afternoon, 2 live bands, a fantastic four course meal and we were thoroughly spoilt with a wonderful start to our marriage.