Some thoughts: * Habit: GA is so ingrained into the web development / marketing so it's the safe / default choice that not many will question * Data: GA colle

Some thoughts: * Habit: GA is so ingrained into the web development / marketing so it's the safe / default choice that not many will question * Data: GA collects everything imaginable people don't need but it's still data that may sometimes be used so it's a safer choice to collect it than not to * Awareness: many people are not aware of alternatives * Convenience: most people don't want to self-host while most open source alternatives are focused on self-hosting * Price: GA is free while hosted open source alternatives are not