> Strong opinion: Makes scheduling collaborative instead of a nuisance.

I’m not sure how this is a strong opinion. Are there really a lot of people that prefer to schedule things with inconvenience?

> Strong opinion: We provide cleanly designed forms that are easy to use for people who build digital products.

Does anyone want messy and difficult to use forms?

Here’s my strong opinion: the author’s examples don’t help to make an argument as to why opinionated products breed passionate customers.