You are asking about these emails
The explanation is that you are mistaken. Your email username is lowercase, and no special characters and certainly no cursive or emphasized text.
gmail ignores upper case and dots
., and everything that comes after
+. That is why everything sendt to all variations, including:
end in the one and only true inbox - belonging the the one and same user -
You should not report this, as it is not an error.
I have no idea what the deal with
sandeep_bhargavaemphasized firstname.lastname@example.org. is - maybe an error in your post!?