Do you have any hard evidence of an actual causation between VB and the symptoms you describe? I think any non-bleeding-edge mid and later hype-cycle technology

Do you have any hard evidence of an actual causation between VB and the symptoms you describe? I think any non-bleeding-edge mid and later hype-cycle technology will have its monsters. I get the feeling VB is past all that, and what's leftovers can't be sooo disfunctional.