No, educate yourself about the "burden of proof".
But I'ma do your homework for you,
https://financesonline.com/number-of-tumblr-blogs/
"The microblogging and social media site still make money with an estimated annual revenue of $65 million."
LMAO! With 400+ employees, plus operating expenses I imagine they barely see any profit.
They have 1/10th of Facebooks MAUs in the States (according to them), yet nowhere near revenue and profit (proportionately).
Sold on 2019 for ... $3 million! https://www.washingtonpost.com/technology/2019/08/13/tumblr-...
But yeah, keep deluding yourselves, tumblr is doing juuuust right :D