Yes, the escrow announcement is that Ripple can sell 1 billion a month. But this is their response to the speculation that they could dump 55 billion at any time. Given that awareness and XRP price are increasing, it seems reasonable that they commit to no more than 3x current spend per month.

I do understand the concerns that it's centralised, pre-mined, etc, that Ripple going straight to the banks is anathema to the crypto ideology, and I do to some extent share the concern that Ripple != XRP, but it's undeniable that they're well-organised and professional, and in many ways far ahead of competitors.

In the past, XRP investors have had to take it in faith that Ripple wouldn't dump 55b. Ripple's response, again well-organised and professional, is to confirm that they won't dump it all. This can be traced back all the way to the very strict controls on the original McCaleb settlement.