The list goes on, I have a pet peeve with matomo (aka piwik) for example. Impossible to do immutable containers --- it's just bad software design, not a fault o

The list goes on, I have a pet peeve with matomo (aka piwik) for example. Impossible to do immutable containers --- it's just bad software design, not a fault of the language itself. But because these softwares are old and have an user base, design errors remain throughout decades.