TikTok faces a hefty fine in Europe from a regulator for past shortcomings in protecting the privacy of younger users, a development that experts say could have implications for Canadian regulators and young people using the popular platform here. News broke on Friday that Ireland's Data Protection Commission (DPC) — the lead privacy regulator for Big Tech companies whose European headquarters are largely in Dublin — was handing TikTok a fine of 345 million euros (roughly $500 million Cdn), following a two-year investigation into its compliance with privacy rules in the latter half of 2020. The investigation found that the…