can we remove this
You'd be able to customise the contents of the <title> tag to be whatever you need. Adding the "tagged" part would help avoid duplicate titles by default, but there's nothing stopping you from changing it to something that reads a bit nicer.
May as well keep the discussion going in the other thread to save the double up:
https://ecommerce.shopify.com/c/ecommerce-discussion/t/help-with-google-pretty-please-with-a-cherry-on-top-227694