I'm sorry to hear about the issues you experienced with your 7-day shield. It sounds like a frustrating experience. Please make sure to contact customer service for help: https://support.supercell.com/hc/en-us .
I think you will find that this is the modus operandi of the spammer.
They post what seems to be a legitimate answer to a real question, and if they are brazen immediately include the spam link, less sure of themselves when they think an edit will be overlooked, is when the spam link appears.
The link is not to Plarium support but to Clash of Clans support. Curious that Plarium tolerate links to a direct competitor and noteworthy that Iikka Paananen sinks so low