Google's also been looking to limit the maximum validity lifetimes in general through the CA/B Forum[1] in a ballot that ended up not passing (with hints[2] that Chrome would end up enforcing something similar itself even if it wasn't part of the Baseline Requirements).
This seems to be indicative of the general indication that Chrome wants to head in anyway[3].
This seems to be indicative of the general indication that Chrome wants to head in anyway[3].
[1] https://cabforum.org/pipermail/public/2017-January/009373.ht...
[2] https://cabforum.org/pipermail/public/2017-February/009746.h... - there was a more explicit post elsewhere but I can't find it in the archives right now
[3] https://twitter.com/sleevi_/status/829804370900426752