I hate to be argumentative, but you really need to educate yourself on serfdom https://en.wikipedia.org/wiki/Serfdom
You aren't, thats a nitpick not an argument
> you really need to educate yourself on serfdom
Sure, I could make a long explanation about middle engalnd feudal titles and how despite our modern conception of most poor people as serfs, a middle class of Franklin existed, that comprised the kind of freemason associations that now still exist in the City of London as Guilds, although most are currently NGOs and charities some still work on their original mission.
Or I could use serf as "non ruling class" following the comment I replied to, because that is how OP used it. Although technically he probably meant peasant as that was the class which no land whether serf or just labourers, I understood what he meant and replied tongue in cheekly about how some farming chemist aided the nazis, I say tongue in cheek because I made the farming connection to serfs
Hopefully the analogy works for you now that is being laid out.
Tons of farmers supplied the compost that Haber-Bosch used to perfect their way of making amonia, later used to make hydrogen cyanide (a pesticide later used in late 30s germany for non farming purposes)
You can be a serf and be a necesary cog in a machine for destructive purposes.
The hundreds of thousands of dollars a year still keeps those devs much closer to a homeless person than to any single Billionaire. A rich serf, is still a serf.