The writer is just rambling on irrelevant stuff while trying to be smart and promote himself and his company.
It's not even good marketing.
Re spreadsheets, I am one of those dreaded 'advanced Excel' people and some of the comments i hear about spreadsheet limitations are a bit like saying 'this chisel is a rubbish hammer'. Our main use is to take small amounts of data from our ERP and browse/sum/subtotal it in some way for adhoc analysis or sharing, or keep the record of some minor detail over time. I have seen thousands of lower skilled users use spreadsheets in this way and there is no better tool. Indeed accountants often run much more complex stuff, but tend to be very dilligent with their inputs and versioning and have little trouble. As soon as you have concurrent users a spreadsheet becomes a bad database substitute.
The first line says it is a transcript from a talk, so you shouldn't expect literature.
Nice work getting 3k for that kind of project, you're a better business man than me. If someone like that came my way I would direct them to Google forms or spreadsheet for free.