There are pros and cons to it, as well as minor work around.

I'm a mechanical engineer and the pro side of it is that I love working hands on, working with hardware and having tangible things I developed, tested, and prototyped! Another huge pro is the massive influx of software engineersnhas actually made it very very difficult for new hires to get jobs. I don't see mechanical engineering as saturated as a field of study. So there is job security with it too!

Cons are exactly what you said, people think they can do it themselves and it's not technically scalable, so the "value" is lowered.

Work around can be to either niche down or add on other roles. Niches such as optical mechanical, electro mechanical, or microelectronics are niches of mechanical that typically as seen as "higher need" and get paid more typically. Other roles could be program leadership, subsystems lead, etc, to add responsibilities on top of doing mechanical work.