Yahoo are not known for their savvy approach to acquisitions - they frequently paid well over the odds for the cachet of ownership until Verizon snapped them up.

> to ~3M right

But we don't know how much they were valued at when Verizon bought the Yahoo group in 2017. If they considered Tumblr only worth $3M then before they banned porn, then the porn ban has done nothing to the valuation. Anything else is just conjecture.