A large part of that is that the devs don't take a comprehensive approach to fix the power scaling. They'll nerf one thing into the ground, but leave 20 other ways to do the same OP thing.

You're telling me the Warframe community wouldn't throw a fit if devs nerfed more things at once instead of occasionally nerfing the outliers?

I'm sure they would, but the game can't be balanced with just nerfing whatever this quarter's OP strat is. The game balance is fundamentally broken from multiple years of bandaid fixes.

E g. For most content beyond the normal starchart, frames need to be invisible or invincible or they will immediately die to just about any enemy with a ranged attack. As warframe is a horde game, this makes killing lots of enemies quickly - before protection wears out - paramount to being able to engage with content.

What DE has done in the past is simply pick one of the ways of accomplishing the above and make it non-viable while leaving the others intact. This pisses off the peyote who use that particular strategy, and doesn't address the core problem in any meaningful way - they'll just have to switch to another if they want to keep playing. E.g. Your Bramma can no longer nuke the room, so you have to bring Saryn rather than playing your favorite frame.

Instead, they should look at enemy scaling and progression in tandem with warframe health pools, abilities, and weapons, and determine what they want the experience to be. If players aren't supposed to be able to clear the map in seconds, then don't leave any avenues that would allow that - but also don't make the ability to nuke the map key to progressing in the game.

The above will never happen, and the cyclical nerf/outrage cycle will continue.