I'm a professional PHP, Python and Javascript developer from the UK. I've worked with Django, Laravel, and React, among others. I also maintain a legacy Zend 1 application.
It's definitely helpful, and if you don't I strongly suspect you'll be raising your risk of RSI, which can be painful and debilitating.
That said, if the bottleneck is your typing speed, something is probably wrong. Earlier in my career, when I found the bottleneck was my typing speed, with hindsight I was doing too much - writing a lot of repetitive code that I should have refactored, making things too long-winded, and so on. The bottleneck should be your mind.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
It's definitely helpful, and if you don't I strongly suspect you'll be raising your risk of RSI, which can be painful and debilitating.
That said, if the bottleneck is your typing speed, something is probably wrong. Earlier in my career, when I found the bottleneck was my typing speed, with hindsight I was doing too much - writing a lot of repetitive code that I should have refactored, making things too long-winded, and so on. The bottleneck should be your mind.