I too keep a lot of tabs open. I use OneTab and The Great Suspender chrome extensions to also keep memory usage under control. They've been indispensable tools for the tab hoarders like me.
From my experience this typically happens with a mediocre engineering team working on a new project/technology. Unless you have immense patience and communication skill to overcome this over time, look elsewhere. I have been in a similar situation with mostly white colleagues.
Great discussions. Having had some startup experience myself I would add that people have drastically different levels of understanding and common sense, so they will interpret what they see and read differently. There is no shortage of books/blogs on management or leadership or product management, but things don't really change and the same mistakes are being made every single day in startups.
What works really well for me is an Untitled.txt with a list. Since it's not saved there's always the risk of losing it but that's kind of the point.
It forces me to deal with the most important things.