That's immaterial, because a company cannot force customers to forfeit assets by giving them a 10 day ultimatum.

Don't store your coins on an exchange then.. like you've been told over and over and over again

Oh yeah, that's absolute shit and there's been a precedent set that'll end with Coinbase owing a lot of money.

I'm just pointing out that they shouldn't have to support anything (so long as a proper warning is given if possible).

If it is so simple, why is this the only fork which has happened to BTC in the past 9 years?

It's not.

Because forking isn't the hard part. Actually maintaining and creating a better block chain is.

Either way, that's anecdotal.

Same reason it took someone three years to create an altcoin. Doing so had no benefit.. until it did.