Why do destination weddings get so much hate?

If you poke around reddit or post something mentioning you're having a destination wedding, you get an avalanche of people telling you how selfish you are.

An invite to a destination wedding is not a summons. We don't know our guests financial state, plans or priorities. That's why responding no is perfectly understandable. I don't understand the extreme pushback. If we are going out to dinner at a steakhouse and invite friends, we're not monsters for asking them to spend money on a nice dinner. Just say no.

When I was younger there were out of state weddings I couldn't afford to go to, and it was no big deal to say you can't make it.

Edit: To clarify, none of our guests have an issue I was talking about the the feedback we've seen online. It sounds like that's because other people don't handle it well, and I guess that makes sense.

Edit 2: Thanks for the replies everyone. I think my take away is that people that really don't like destination weddings either don't understand what an invitation is or the wedding couple doesn't. Or theres some other communication issues going on. Either way, I won't take it personal and our wedding is on the right track for us and our guests.