Preview events end up in live statistics

Trying out some event tracking using Tag Manager, I noticed that also these events are stored in the “live” event log.

Am I misunderstanding the meaning of the “Preview” function in Tag Manager? What is the use of previewing, if you still pollute the statistics with trial data?

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Hi @pbb72
The preview is the fact there is an MTM debug window that is displayed when activating it also on the tracked website (thanks to &mtmPreviewMode=c0nTa1n3r_1D GET param):