Unusual USB germicidal light with hideous design feature

This is a rather unique USB rechargeable UVC germicidal light I got secondhand from eBay. I've not seen any other that uses a similar lamp with battery power.
The circuitry started off quite pleasing until I spotted a rather dubious "option" link that bypasses a very important component deliberately.
One notable feature of this light is the use of an LED driver to run a vintage technology mercury vapour discharge lamp.
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