Should we attempt to contact alien civilisations?

I note that SETI is considering whether or not now might be a good time to actively try to send a message to alien civilisations (https://m.bbc.co.uk/news/science-environment-31442952). I have my doubts. For starters, the radio transmissions we’ve been leaking out into space for the last 100 years or so don’t particularly get us off to a good start. […]