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They would just statically account for it if they e.g., permanently modified the video

It doesn't sound like that's the case, per the link:

> This breaks sponsorblock since now all timestamps are offset by the ad times.

Sounds like either YouTube doesn't care about timestamp stability or they missed this in testing

SponsorBlock works by telling the video player to skip to certain timestamps within the native video player. YouTube however knows the exact offset of the ad that it sent, and this can offset its timestamps.

Could they update the plugin to do a location.href at the appropriate time?

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