This will work for some people in some sports, but it's hardly a universal solution. Many activities like rock climbing or backcountry hiking/skiing, will never

This will work for some people in some sports, but it's hardly a universal solution. Many activities like rock climbing or backcountry hiking/skiing, will never have good public transport access. Renting gear is fine for casual users, but serious practioners in almost every sport are very particular about their gear.