tl;dr: Unemployed, hands-on labs and the free accreditations.
I was a developer and systems architect for many years, building big data systems in AWS using individual services--S3, Hadoop, Spark, Airflow, Lambda, Glue, Hudi, Athena, Redshift, Quicksight, etc.. Like a lot of people in the last year or two, I found myself unemployed, and reading job postings I saw my skills were not in demand; the postings wanted Databricks or Snowflake. So I started doing HoLs and working in Databricks was like a breath of fresh air compared to what I had done in the past. I told an also unemployed former teammate about Databricks, she loved it too, and we decided if we ever had a chance at another project which would benefit from a lakehouse, we're going Databricks. Networking landed her a role doing exactly that, and I was her first hire. A year later and I'm still excited every day to build in Databricks.