Whether or not these influencers should have to label ads is one thing.
But... I'll note how "little guy" regulation works relative to major players.
You don't see court, legislature decisions, or such upending the business model of a FB, Google or whatnot. Every word will be negotiated, Google and/or FB will have control over implementation. Often, the regulation will be a net positive, given that it can slow small competitors down. The process will take years, the roll out will be gradual....
"Influencers" or really anyone selling content via platforms can have rules slapped onto them by either the state or the platform without notice, lots of potential for revenue disruption...
It's easy to belittle the little, and this article kind does it too: "The court said one fitness influencer should have been clear she was advertising when she was paid to promote a brand of jam."
Meanwhile.. FB, Adwords and such got decades of lead time. Extreme tolerance of various dubious practices as regulation designed to be business friendly at the cost of timeliness & effectiveness was slowly formulated. No parliament demands Fast and Furious post little notices, nor have they over decades.