How much do verified badge holders make monthly on twitter? If majority they not make money, then another platform will soon gain many followers. $20/month is not very expensive but when compared with some nation with poor currency value then it's huge sum. Let's see as this go.
Those verified accounts are likely to pay that on a yearly subscription and that's an easy amount for them. They've got huge followings and usually, they're being followed by those so does the money follow them.
It's not a problem for them and it's going to be like an investment for them if their Twitter account being verified generates them money.
Maybe Elon would add the option of receiving those $20/month in Dogecoin if he's really into it but I doubt it.