Games have gotten cheaper over time. Real prices for console video games declined approximately 40% between 1990 and now.

I saw the donation celebration banner and I felt a bit disappointed that I didn't donate this year and wouldn't be able to put myself on it until I realized I could just look up Charity Box and send them ¥100 in a few minutes so I did just that

I have a strong prior for people being much, much more important than animals.

I think that the profitability of these investments would make a great difference in cost-effectiveness. If National Rail investments had a better rate-of-return than London city buses, then in the long run, it'll offset some of the costs of it, and vice versa. 

Is there a good way of quantifying the increased profits generated by public transportation investments?

The original website for Students for High Impact Charities (SHIC) at https://shicschools.org is down (You can find it in the Wayback Machine), but the program scripts and slides they used in high schools are still available at their google drive link at https://drive.google.com/drive/folders/0B_2KLuBlcCg4QWtrYW43UGcwajQ

Could potentially be a valuable EA community building resource