I don't want to sound too dismissive, but all these arguments have been brought up time and again. The move from assembler to high level languages. The introduction of OOP. Component architecture / COM / CORBA / etc. The development of the web browser. The introduction of Java. 2018 isn't "the start of the decline", it's just another data point on a line that leads from, y'know, Elite 8-bit on a single tape in a few…
Current tools seem to get us worse results on bug counts, safety, and by some measures even developer efficiency.
Maybe we'll end up incorporating these tools the same way we did during previous cycles of tool adoption, but it's a difference worth noting.