As for 2018 Google receives over 63,000 searches per second on any given day. That's the average figure of how many people use Google a day, which translates into at least 2 trillion searches per year, 3.8 million searches per minute, 228 million searches per hour, and 5.6 billion searches per day.

People are using Google because it's easy, the results are relevant and get better and better every year (Google release an update to their algorithm every few months)

Google doesn't become useless, it just becomes a better version of Google in early stage