Maybe this wouldn't have happened if Google didn't fuck up releasing Google Glass like they fucked up releasing Google+.
Making it so god damn exclusive for several years then expecting people to jump up at the chance isn't how things work anymore. You can only stay hyped about things for so long. I've personally even forgot the damn thing existed and only reacted with a "meh, no one has it, so it's not a loss to anyone".
Every budgeting application is going to have some problems with missed or incorrect data. And they've been consistently working on improving their connections with most of the major banks.
The other stuff that the author talks about are simple website changes that the Mint team could make if he just send them suggestions and ideas for improvement. I don't think they're anything serious that would warrant the claim that Mint 'sucks'.
Making it so god damn exclusive for several years then expecting people to jump up at the chance isn't how things work anymore. You can only stay hyped about things for so long. I've personally even forgot the damn thing existed and only reacted with a "meh, no one has it, so it's not a loss to anyone".