They load Google Tag Manager, Google Retargeting Pixel, Segment, Facebook Connect, and SmartLook (which looks like some kind of analytics package).
This should not be controversial as this would be found on pretty much any website that runs advertising and does user analytics, it's not really something to get all worked up over.
Also, I would probably recommend that small startups not put much effort into complying with EU regulations because:
1. EU regulators have limited time and are very unlikely to go after small startups.
2. As a result, the benefits of (costly) compliance aren't worth the costs.
This should not be controversial as this would be found on pretty much any website that runs advertising and does user analytics, it's not really something to get all worked up over.
Also, I would probably recommend that small startups not put much effort into complying with EU regulations because:
1. EU regulators have limited time and are very unlikely to go after small startups.
2. As a result, the benefits of (costly) compliance aren't worth the costs.