Worth pointing out Kyle specifically talks about microtransactions and mentions his past in video games and how traditionally people associate microtransactions with loot boxes. He specifically says they WON'T be doing that, it'll be direct purchases (e.g. you want an ogre, you buy an ogre). I realize that won't likely stop the people afraid of predatory microtransactions from continuing to worry about it, but he at least directly addressed the question. Starts at about the 28 minute mark in this video.Bob the Worldbuilder put up his critique/response video to his own interview on his main site.
D&D Exec. Opens Up about OGL & One D&D | My Interview with Kyle Brink