I feel like it's more of a branding failure honestly. People would be much more understanding - if you heard "we're replacing 1800s utilities with 21st century tech built for the earthquake zone in SF and you get better transit along with that", I think the conversation would be much different than "it's taken a decade to build a new lane".
[0] https://www.sfexaminer.com/news/two-mile-long-van-ness-bus-l...
Written in the aftermath of Duke Nukem Forever finally being canned, twelve years after being announced. (It did finally ship, to a poor reception)
[1]: https://en.wikipedia.org/wiki/Sagrada_Família
It remains a work in progress today.
Personally I've been meaning to really do an exercise in evaluating projects against a regenerative framework (see https://capitalinstitute.org/8-principles-regenerative-econo... & http://fieldguide.capitalinstitute.org/whats-regenerative.ht... ). I'm not saying this framework is perfect nor am I endorsing Capital Inst, but there needs to be better evaluation than just speed.