"Straight couples shouldn't be at pride"
Well uh…
1.) one or both of people you see as a “straight couple” could be pan/bi/poly/ace
2.) one or both of them could be trans or non binary
3.) you could be misgendering someone
4.) They could be there to give moral support to a queer friend or family member who didn’t want to go alone.
Number four is important
5. They could be there because they support the cause stop fucking gatekeeping