They weren't "abandoned." Did you misread my response?

JWARS reached its end of life. No software project lasts forever.

JP Morgan's Kapital software is still in use.

OOCL was bought out. This happens all the time in business.

Smalltalk is still a favourite in the enterprise market. There are thousands of enterprise users around the globe supported by no fewer than three major Smalltalk vendors (Instantiations, GemTalk Systems, and Cincom). There’s also the open-source Pharo Consortium that caters to the enterprise market.

Smalltalk is favoured by businesses that care about getting their products out the door in the shortest period of time. Smalltalk is the most productive of all the major programming languages, according to a 2017 study by Capers Jones, the leading expert in software metrics.