It's also enabled by default on Surface Book 2 (and possibly other Surface line devices). No idea how well Bitlocker (or Windows Hello for that matter) stand up to border control.
BitLocker security depends on TPM usage. If it's turned on a lab can crack it rather easily because the keys can be stolen via LPC.
> Full disk encryption is the default on MacOS Mojave.
But many people don't use a strong password/phrase.