People who only need "core" Matlab can easily switch, but toolboxes carry tons of validated code, and a lot of additional hardware/software firms expect you to

People who only need "core" Matlab can easily switch, but toolboxes carry tons of validated code, and a lot of additional hardware/software firms expect you to use Matlab to interface with their products. For example, COMSOL only allows interactive programming via Matlab, and Matlab can interface with Cosworth's Pi Toolbox as long as you have the right license key.