Engineering would be the very last thing to get cut, as there will instantaneously be posts here and all over the internet.
Freezing non-tech hiring is the canary in the coalmine. Like when companies start scaling back freebies.
Once the downward trajectory starts it almost never reverses.
I'm sure the people downvoting you know this and are simply mad you called a spade a spade.
I currently work on a monolith customer service application that did $2.8bn in sales last year (we are a high margin company but sales $ amount is the only data available to me - projected to do ~$3.8bn this year). It's built using Eclipse RCP and a microservice architecture that consumes from a mix of DB2 LUW and AS400(IBM I) lol. It's about 13 years old.