Why can Time Series be useful in Internet industry?

Argument: Time series can be very useful in Internet Industry?

As usual, we will list all the opposing arguments:

1/ Time series is a very narrow area(only for time series)

2/ Real time series forecast/detection problems, can only be solved based on a case-by-case manner

3/ Time series analysis was popular in Academia in 90’s. It becomes much less popular since then, especially comparing to CV and NLP. Also time series anlaysis frequentists lost the debate the Bayesianists.

4/ (Traditional) time series analysis is based on strong assumptions like: stationarity.

5/ Time series analysis methods like causality is not so useful.