Why not? A large percentage of GDP is about making things other businesses use to do their business. I'm getting spammed by ads from bigger companies doing the

Why not? A large percentage of GDP is about making things other businesses use to do their business. I'm getting spammed by ads from bigger companies doing the same thing - "become our partner / make money with our products / distribute to others who could make money with our products". Same thing, different niche. It's a valid niche - and the one you talk about is terminally online, which makes it rather easy to break into.