We went for stellar because we saw some traction there, kind of liked the notion of being in an ecosystem with a bit more serious players, and we liked what it did functionally.
In any case, a lot of blockchain related trading is speculative and most of that is not based on technical merit but the investors irrational perception on the chance of exchange rates going up or down. Speculators make lousy CTOs, so I tend to ignore them for technical decision making.
So, EOS doing brisk trading beause ETH holders are panicking and acting like lemmings, or because Vitalik farted in a particularly interesting way, or whatever madness of the day drives the market does not constitute meaningful developer traction in my view. It just means EOS core development is likely well funded for the next few years. Good for them.
I'm not trying to be argumentative. I personally like Stellar over EOS as well, but I haven't seen the same developer traction advantage that you're seeing. At least on Stack Exchange, EOS is more active despite being half the age.