[eganist]

> The only disadvantage is that many users do not know about this feature (because there is no indication that the status bar tab is supposed to do something like that) which is the reason many use think an app is buggy after they have tabbed on it accidentally.

Precisely why this behavior should be considered unfriendly. It's not intuitive and is prone to accidents by the vast majority of the target market.

Even just making it a double-tap would make it drastically better, and double-taps are closer to convention as well. Double-click the left or right arrows in an overloaded tab bar in Firefox on desktop, for instance, for it to scroll a full row over.