Please let me know if you have any feedback or suggestions for the player.
And yes I’d feel more confident in Flutter if Google was dogfooding it a lot more.
Without expressing an opinion on Flutter as such, it's worth remembering that Google is a big enough organisation that even -some- internal apps being built using it is quite a commitment, and it not having spread further internally could easily be a social or political rather than a technical issue.
I don't think it it's a technical issue. On a technical level Flutter is mostly great. But Google has been doing aggressive cost cutting lately and not having Flutter in use in that many apps makes it more vulnerable.
Yeah the Google risk... seems like they came out strong in support of Flutter at their last dev conference, but at the same time it does _not_ look like they're using it for their main apps.