Earlier quoted context omitted.
How do you have a 100M business selling cheap, niche microcontrollers to hobbyists? They're starting to pursue a subscription model (Arduino Cloud), I'd expect them to shutter products that won't work with the subscription model and require everything else to use it. It's your standard enshitification play.
By having 10M+ hobbyists that you support and inspire. That's how... easier said than done, but if they play their cards right, it is possible.
You need either at least an order of magnitude more (still iffy, people don't buy boards all the time), or to sell into some larger market. Are there 100M electronics hobbyists to sell to over the world? Maybe if you make it into schools...