You could just say the product name, not a link to the shop you work at.
You could just ignore his links and spend your time doing something other than moaning about someone helping other forumengers out.
I do and have every time I have seen it in the past. Spamming when someone asks me a question tips the balance in book. YMMV.
@MisterMikkel started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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You could just say the product name, not a link to the shop you work at.