It's been just growing steadily lately, but a seller can always convert to their local currency on the spot using a BTC payment processor.
> Bitcoin takes quite a while for a transaction to happen
100% false. Every time I've used it, transactions take less than a second. Stop spreading FUD aka bullshit.
> and there are waits and fees involved in exchanging money from USD and back to USD
Yep... for now. I think the point is that at some point you won't have all your monetary holdings as USD.
> Bitcoin doesn't allow chargebacks, an important consumer protection mechanism, therefore helping to perpetuate fraud.
That's a funny thing to say, given that chargebacks are the very source of fraud these days. BTC is attractive to merchants precisely because you can't chargeback. If you have a problem with a merchant, bitch about them elsewhere and their reputation will suffer.