Oh yeah, that's a good question. I've helped people with RPi audio projects before and getting external microphones to work consistently has been one of the biggest pains.
The problem is not people using shitty external mics, the problem is people using internal laptop mics that is horrible. Any external mic would be a huge upgrade, just don't work from a noisy environment or at least don't take calls from one.
People appreciate good sound when they have to listen, but rarely when other people have to listen to them.
Just buy an dynamic mic if you want a mic that work well even when there is people around you.
Microphone/headphone combos with a single TRRS jack are fundamentally going to be poor, because the microphone line isn’t balanced. Microphone signals are very low level and pickup noise easily.
The mics I mentioned have an internal pre-amp. Sure you can get even louder signal using external one, but they provide enough gain for one person speaking few inches from the mic.
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