[alexkavon]

Yes this will forever be the case and engineers should get over the fact that solutions will forever rotate and be reintroduced. This is due to several possibilities: software ages, becomes unmaintained, company goes out of business, becomes too bloated, etc.

There are also trends and fads to consider, such as social media.

There is also human habits to consider. Not everyone knows about or is signed up for slack and uses it. They may eventually find out or not.