From their statement: "We recognize that the average user doesn't have a law degree" or in other words "you are too stupid" to understand words. Isn't it a bit of catch-22, we put an agreement for you to sign and accept[understanding is implied], but we also understand that you are too stupid to understand it.

Also how is perpetual irrevocable links to commercialize your content in any way they want is required for providing the service?

  You hereby grant to Vultr a non-exclusive, *perpetual*, *irrevocable*, royalty-free, fully paid-up, worldwide license (including the right to sublicense through multiple tiers) to use, reproduce, process, adapt, publicly perform, publicly display, modify, *prepare derivative works*, publish, transmit and distribute each of your User Content, or any portion thereof, in any form, medium or distribution method now known or hereafter existing, known or developed, and *otherwise use and commercialize the User Content in any way that Vultr deems appropriate*, without any further consent, notice and/or compensation to you or to any third parties, *for purposes of providing the Services to you*._