User blog comment:Salubri/The Thousand-Year Blood War arc Plot Points/@comment-24234990-20131130191339

This may be a dumb question but why is the following true

"Isshin could not go to Soul Society with Urahara because it would reveal something to the Gotei 13 and thus did not go."

Is it because it would mean they would know he is not dead!? Im sorry, but I missed it... Womp :(