First we had "idk my bff jill." Then there was "idk my bff rose." Both were amusing, but this one totally kills it. It's like the horrible three-quel that comes after the lame sequel, which came after an already mediocre movie.
That aside, no amount of texting-induced rage justifies this mom's monsterous behavior. The elderly have a right to text message, too. There's honestly no need to snatch the cell phone that belongs to your mother (or mother-in-law) right out of her hands. That is just rude. You're setting a bad example for your children. Oh, how funny, you express regret, or a fear, that you've raised them wrong. Ha! How ironic.