They've done this since Shadowbringers if I remember correctly.
The first two trials always just gave you one totem, while the third and the ones after it started to give two. Trial 1 and 2 in Endwalker did this too, which especially made farming Zodiark a real pain...such a boring fight.. x.x
I personally think it sucks, too. Like...I farmed this boss like crazy, got really unlucky and now I have to wait 8 months until I get my reward so that feels like rubbing salt in the wound. I thinks it's fine for the droprate to get higher after a while, sure. But I don't understand the long waiting time before you can exchange your totems...makes no sense to me.