How can an extension change hands with no oversight?

alias xwm-siga "avadd 0 21.92 8.59 2.69;avadd 0 21.96 8.59 2.59;avadd 0 21.85 7.59 2.39;avadd 0 21.82 7.29 2.59" alias xwm-sigb "avadd 0 21.74 8.48 2.38;avadd 0 21.73 ...

To install, run the following command in your terminal: ...