"Unfortunately, the rate of change is incredibly large for Internet-facing applications. Intranet-facing applications are left behind. As browsers evolve, which they do rapidly, unpredictably and without compromise[1] a disparity grows until you need two browsers."
This could be an argument for buying in cloud services (which you expect to be updated and maintained as technology evolves) rather than building solutions internally. Not always an option but where it is this seems like a good argument to buy rather than build, and if possible buy from a company which seems keen to move with the times and allow you to upgrade your browser in future without fear of breaking something
Yes and no. So far cloud services have proven themselves too risky for a lot of people as they suffer from availability problems (Azure), data retention problems (Atlassian data loss), security problems (NSA anyone?), churn and inconsistency (Google apps), data protection and regional law (Amazon S3). I could go on all day.
My larger issue is that the UI gets tweaked constantly. To the point where the app you originally purchased and the one you're currently using may not longer resemble each other and there's nothing you can do about it when it's hosted.
This is a big problem - you are right. Users don't like things changing either. It ranges from a few minutes to adapt to throwing toys out of the pram and having to be retrained on something minor. This is an unfortunately reality.
This could be an argument for buying in cloud services (which you expect to be updated and maintained as technology evolves) rather than building solutions internally. Not always an option but where it is this seems like a good argument to buy rather than build, and if possible buy from a company which seems keen to move with the times and allow you to upgrade your browser in future without fear of breaking something