Which, per the OP, the site would be doing by merely including the Meta pixel, which practically every e-commerce and news site does to track its campaigns and organic traffic.
The takeaway is that for all intents and purposes, anything you did in a private session or secondary profile on an Android device with any Meta app installed, was fully connected to your identity in that app for an unknown amount of time. And even with the tracking code deactivated, cookies may still persist on those secondary profiles that still allow for linking future activity.
alt Hacker News
Which, per the OP, the site would be doing by merely including the Meta pixel, which practically every e-commerce and news site does to track its campaigns and organic traffic.
The takeaway is that for all intents and purposes, anything you did in a private session or secondary profile on an Android device with any Meta app installed, was fully connected to your identity in that app for an unknown amount of time. And even with the tracking code deactivated, cookies may still persist on those secondary profiles that still allow for linking future activity.