I think this is why Excel/Google Sheets still dominate and will continue to.
All of these products do one or a few things things that Excel or Google Sheet do, but perhaps they make it little easier for a novice. I think what people don't understand about Excel (and to a lesser extent Google Sheets) is that it's an IDE. A novice can build interesting things, a power user can build incredible things.
The only way to make Excel a thing of the past would be to make a blow-away awesome replacement that does everything excel does but better. There's plenty of blue ocean around Excel and I think each of the products you listed could do just fine.
I would love all of Excel's power available to me but delivered like Google Sheets. That would definitely kill Excel. So far neither Microsoft nor Google seem really committed to this. Google Sheets is nice but just grabs the low hanging spreadsheet fruit. Office 365 is anemic.
If I had the time and funding I'd love to make a true Excel killer that was a faithful recreation of ALL of Excel's capabilities but delivered in a modern way. I'd pay good money for this. I believe many would. Excel may be a dinosaur, but it's still the apex predator.