Not wanting to come across all Luddite about it, but we really ought not to stumble blindly into all this.
That said, I remain sceptical. The 10% of my job which is coding just isn't the difficult part.
Most of the flowchart automation software I've been playing around with is already good enough. The Python ecosystem is good enough. Ollama is good enough. The small, purpose built models people seem compelled to make are good enough.
If I can replicate your SaaS business model by crawling your site for a description of services, what does that do to the landscape?
Rebuilding an existing, predefined service for exactly one use case is straightforward. The tools available are "good enough" to do the job for one person. That person hasn't been building another SaaS, they've been posting well designed documentation on github.
You know that your job as software engineer is automating tasks that other people could be doing manually, right?
Even so, is there any reason to believe that the other 90% won't also be automated?
As you said, the goal of these systems is to replace wages.
Customer support, "pre sales" stuff too.
Distilling complex situations involving tech but also people into bullet-point reports for management.
To reference another one of these neat little phrases: building the right system != building the system right. The former is hard to automate, the latter is indeed more open to AI involvement.