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22% of Americans use twitter. Most tweets are from 10% of those people. There are many people who yell and scream so loudly on-line that people believe their numbers to be much greater than they are. It frustrates me when someone takes action because "people on twitter are mad". Decisions are being made based on who has the most active thumbs.

Source: https://www.pewresearch.org/internet/2019/04/24/sizing-up-tw...

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So only 72,600,000 Americans use Twitter? And that's your argument that it's insignificant?

No, the argument is 78% of Americans don't use Twitter at all, 20% have Twitter accounts but are not very active, and only 2% are responsible for the vast majority of tweets. In other words, what you see on Twitter, especially when it comes to somewhat more extreme messages, is not representative at all for the US population as a whole.

how many people vote in elections ? just to compare the representativeness of the samples

Forty to sixty percent, though that doesn't say anything about the representativeness of voters or twitter users.

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