You buy things which use open standards.
Sadly, and it is sadly, that's not remotely true. The same sweathshops and sweatshop conditions in which stuff for the likes of apple are made, also are used by manufacturers who put open source google software on, or Linux.
It's a fair point to say to all of these multi billion businesses, that their, or their sub-contractors treatment of labour is not either ethical, or in accord with their so called branding.
ANd it applies not just in tech, but in so many industries
Ah re-reading I think I misinterpreted Kingfisher's post. I thought it was complaining about lock in.