If your brother has a ThinkPad-branded system, it's not an issue... and you can remove it if you don't like it.
With that said, the whole thing is a reminder of why I'll continue to buy Macs for the foreseeable future. Third-party software should never, ever have permission to overwrite key OS files or take over certain processes (see: Samsung disabling Windows Update until recently).
And it's especially icky when it's limited to "just" the home-oriented PCs. I never really understand the industry's fondness for creating two-tier lineups where getting a clean OS, solid build quality and decent support requires buying business models (or at least a higher-end home system). Every PC always deserves that level of consideration.