He drops the occasional mention during Bethesda videos, usually praising how well it’s doing, but not much else. I know he originally was very against the idea of an ES mmo. And he has never given out any indication he has even played eso.
My feelings is that he (Todd Howard) has a kind of resentment to eso. Mainly because it happened without his blessing, and that his own attempt at a mmo (Fallout 76) is basically stumbling along (at best).
I am trying to find the exact quote from Matt when he explains the big resistance to it internally at Bethesda, but here is something from 2013.(A year before eso started).
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Todd Howard not interested in an Elder Scrolls MMO
Skyrim
Whenever the subject of untapped RPG franchises that could make the jump to MMOs comes up, Bethesda’s Elder Scrolls series is almost always mentioned. After all, if Blizzard and BioWare made the jump, why not the folks behind Oblivion?
In talking with our sister site Joystiq at PAX, Bethesda’s Todd Howard fields the question with blunt honesty. “I like this kind of game better,” he said. “You know, it’s what most of us are into. I’m not really an MMO guy. I respect them, I look at them, but I don’t play them. It feels more real to me when I’m the hero and it’s crafted for that. A community aspect to it, I recognize a lot of people would want that in a game like this, but it changes the flavor for me.