[s_kilk]

They may skew employers expectations of what they can pay for developers.

It's similar to the classic "What do you mean $XX an hour? My nephew said he can make a site for $20"

[eru]

Seems plausible.

Fortunately, we don't need to care too much about the expectations of underinformed potential employers. There are companies around that pay enough, and drive the market price for talent.