mapping advice

When playtesting one of my maps (headquarters, to be precise), I noticed a recurring piece of feedback of people saying that the map has prop spam. Isn't the whole artpassing thing to cover the map with a bunch of props? Or am I doing it in a way that doesn't look coherent? What are the ways to...

i want to make a cp map where the announcer for blu is Gray Mann, and for red is the administrator. i don't want either team to hear the other's announcer. is there an actual method for this? or a way to play sound cues specifically for one team?

guys,gals and non binary pals. how do i make a good mvm map? what are the criterias of a good mvm map? İ've never tried making a MVM map and i want to listen to anyone who is exprerienced with MVM maps and i would love to get advice

(I forgot to label you can go under the point too) Hello! I'm new to mapping in TF2, and I was wondering if there was any easily noticeable problems with my map layout wise. I thought I'd post it here to make sure I'm not being a total idiot. Thanks!

Does anyone know a method of embedding a custom taunt inside a .bsp file that overwrites an existing taunt?

I started making a map designed to be 3cp, but to make it I realized it was too long so I wanted to make 5CP. I need some mapping advice!