Pretty sure the answer is ‘No’ and ‘No’ - has been discussed several times in this community, e.g. Auto Tagging On Uploaded Statements - developers’ opinion is that, while useful, would also be dangerous.
However, like you, I can see why it would be useful. You can do some quite useful stuff with ‘Advanced Search’ on the bank account page in QF, and then use ‘bulk tag’ for those items that have been found… that might get you a good part of the way there?