See also: Sega Dreamcast: had online multiplayer and industry redefining graphics, but hamstrung by an onboard 33.6kbps modem.
Flappy Bird: one of the most rudimentary games ever, but just seemed to take off and start it’s own snowballing success.
Google Glass: probably had the data mining and cash to weather a bad luck storm, but ultimately was a lower spec AR set that are being hawked today.
I suppose musical.ly rode the wave of popularity, hit the right time post-credit crunch, and rebranded itself in such a way that the pandemic was good for business…
…oh, and the liberal use and sharing of data, too.