Please. Reduction to absurdity isn't a valid argument. Are those folks working at large scales? Are they tuning DB's for applications which have to handle hundreds of thousands or millions of transactions per second? I don't imagine you actually know what you're talking about here.
You're absolutely right! That applies to frontend dev, too. Anything is easy at trivial scale. Comparing trivial frontend dev to nontrivial everything else does nothing to advance the conversation.