Exactly what it says on the tin. 5e has various reasons--formally-recognized or not--for starting at levels other than 1st.
Do you? Have you? Would you?
As noted, you cannot change your vote, so only vote for something you're sure of. I have tried to be completely impartial and cover as many answers as I can conceive of for the question, so I hope this is sufficiently comprehensive.
This is not specific to ONLY 5.5e, I just have to choose one or the other, I can't pick "5e in general but not specifically 5.0 or 5.5e". As "2024" is the current version, that's what I went with.