Is receiving an unneeded response to your email or no response more frustrating?
what if there was a one-click response / (right-click / option, that simply acknowledges that you have received and read an email, or simply say thank you, without having to actually add one more email to your outbox and the recipient's inbox. similar to teams chat right click response
personally, on an important subject or time-sensitive, I will send an email, then follow up in a team chat to get a real-time response that I know it been seen. (I don't mean a read receipt, which is just another email.