I'm not sure what your point is. The quote is from My Philosophical Development, and the chapter it's from, Some Replies to Criticism, is worth a read.

https://archive.org/details/myphilosophicald0000russ/page/21... (must be 'borrowed' to read)

There's a whole other chapter on Wittgenstein, The Impact of Wittgenstein.

https://archive.org/details/myphilosophicald0000russ/page/11...