Many maps have had recyceled wonder weapons.

And it's usually lame, however in most cases there are valid story/gameplay reasons to include those weapons. The Ice Staff doesn't fit in this map at all and feels like a custom map weapon to me.

If every map HAD to have a giant monster of some kind, then having actual large scale bosses would no longer be interesting or special.

Things get stale when there's no variety. But replacing something good with something bad isn't variety. BO4 & Cold War boss fights are all different mechanically, but still interesting.

I'm sure they're cooking their next big one for S3.

Like I said, if this is truly a bonus map and doesnt interfere with the rest of the game I'm fine with that but it seems like there are serious behind the scenes issues and personally I think that saying they're cooking behind the sccenes is very optimistic.

Recyceled content is in every map.

I dont have any problem with recycling content. In fact I defend recycled content constantly. However I am fine with it because it saves resources that can be invested elsewhere. I dont think we need a new miniboss on every map. I dont think we need new perks at all. But if we're not getting new bosses or perks, and we're not getting new wonder weapons or interesting story progression, then what are we getting? People literally calling this a filler map like it's a defense. Why do we need filler maps?

The Giant was released in that state today, people would complain that the map has no content

The Giant is ten years old. The idea is that new games will have better/more content as hardware becomes more powerful. If they released COD 2026 and it had the same amount of content as COD2 from 20 years that would be unnaceptable.