Good day, no branding yet.
This monitor has a very good Oled Pixel Care Programme. I can't imagine that it will get a branding. Unless you don't use the care programme here and there.
It is not a problem to disconnect the monitor from the power supply every day. This will not damage the electronics or the OLED panel. It is only important to switch off the monitor normally (standby) before disconnecting the power.
In standby mode, power consumption is very low and has no relevant impact on the service life of the OLED panel. The integrated protective functions such as pixel refresh or panel maintenance are carried out automatically.
If switching off the power strip is impractical in everyday life, the monitor can also be operated permanently in standby mode without this being a problem.