In software by the time you finish your 3 months course the tech is considered obsolete.
Not just Frontend. Backend can change on a dime.
Elastic/MySQL/CockroachDB is using different license that's incompatible to AWS. We have to switch our stack!
Kafka is out. It's all about Iggy! What do you mean it's different language? Learn it!
Things can be hard in different ways. After coding for whole week doing garden work can almost come as a relief.