Many people are interested in disabling the redirection to the tplinkwifi.net URL for their setup.

More advanced users with a specific configuration, often don't want that feature to be turned on, because it's causing troubles.

Implementing a checkbox / radio-button (in router's WebGUI) to switch this feature on/off, will be great in such cases.

This feature has been requested on several occasions:

Here, here and here. (there's probably more threads that the same has been asked or requested for different router models).

Such an option could prevent a behavior like the one described here as well.