To reiterate, while this is a public statement, nothing has changed regarding discussion of the actual people accused and being investigated. It is fine to talk about what Linden Lab has said in this statement.
Two things stand out to me in it:
1) "some of the accusations are unfounded" - that is carefully worded, and unless I am parsing it too broadly, it implies only some are unfounded.
2) my concern is that their review of their community standards will see a tightening of what is acceptable behavior and content in SL, including limiting related communities not involved in any inappropriate behavior. I can't imagine it will affect adult content too much, however, given that it is a huge driver of the economy in SL.
Time will tell. but I am glad that they have provided some clarity on to what is going on.