"Time is money" that is a monstrosity. Time is not money; time is the fabric of our life. - Antônio Candido
You don’t necessarily need to have a very important topic or question to send a ‘Hi, How are you?’ to a co-worker on Slack or Discord. No one is so busy that they can't stop for 5 minutes to respond to 'Good Morning'.
Today we live in a tired society where everything is very fast and our time is considered money, but this is not the case, not everything is profit. So, take at least a minute to wait and reply ‘Good morning!’, it won’t interfere with anything.
After that may come an interesting topic or an important question in your busy workday...
9:34 Arthur Dent:Hello Ford, how are you?9:35 Ford Prefect:Hi, everything is fine!9:40 Arthur Dent:Ok then :)9:40 Arthur Dent:I have a question, if you have time.9:45 Ford Prefect:Sure, what is it?