Should I return (Benq Ex2510) there one dead pixel and this bleed tbh both things didn't bothered me I just don't want this monitor to end up like my older monitor :
How to Check for iPad Backlight Bleeding & Dead Pixels - YouTube
U2419H, stuck dark pixel, uniformity, bleeding - Dell Community
Phone Screen Bleeding - Mobile Screen Fix
Should I just accept backlight bleeding in my laptop? (IPS) | NeoGAF
Should I return this XB271HU because of backlight bleed? - Displays - Linus Tech Tips