That's a great question, here’s how I see it:

• Silex = websites and web design — strong focus on responsive layouts, CSS concepts, box model, etc. No workflows or app logic
• Bring your own CMS/DB — pure frontend; users design and bind to real data (read-only)
• Web standards first — HTML/CSS; what you learn is portable. If you know a standard, you can probably apply it directly in Silex
• Fully open source, FOSS, AGPL, not open core like Appsmith/Budibase

It’s not necessarily easier — the complexity just lives elsewhere :)