It doesn't have to be capitalized. US law (and probably some other places) requires key parts of a contract to be 'conspicuous' i.e. well read and not missed.

CAPS LOCK NEAR THE BEGINNING OF THE CONTRACT seems to be a convention (in the US) [for making things 'conspicuous'] where something as revolutionary such as bullet points may not be.

This is not global convention (for making things 'conspicuous') and seems peculiar to the US.

That is the "warranty" section of the license. Most software contracts as a standard have the warranty section in all caps. Source - I sell a database and deal with software contracts on a weekly basis.