Or gacha/live service games, where you'll get enough installs and overall revenue to push you over the 200k threshold, but never enough installs for the 1 mil discount, in a genre where it's not uncommon for one person to have the same game on multiple devices (especially if you have a PC or console port), and for games to have a cycle of low revenue dead months that doesn't always coincide with new player counts due to the whale rule.