That's an excellent and very practical question. You've spotted a key feature in modern urban design. For high-traffic public trash cans, foot pedal mechanisms are generally considered a very good idea from a hygiene perspective, but with some important considerations.
The primary advantage is hands-free operation. In busy city squares, parks, or transit hubs, this minimizes direct contact with the bin's surface, a common point for germ transfer. It encourages people to dispose of litter properly without touching a potentially dirty lid. This promotes public health and can make the task more appealing.
For maintenance crews, it also adds a layer of protection during emptying and cleaning. They can open the lid with a foot or elbow, reducing their exposure to contaminants.
However, the "good idea" hinges entirely on durability and maintenance. A flimsy foot pedal mechanism on a public bin will break quickly under constant or misuse. Urban fixtures must withstand heavy, sometimes rough, use. The mechanism needs a robust, simple design—often a heavy-duty stainless steel lever system—that can handle thousands of cycles and is sealed against the elements and debris.
The cost is higher than a simple open bin or swing lid. Therefore, the decision often comes down to budget and priority. Is the location (e.g., near food markets, playgrounds, hospitals) hygienic-sensitive enough to justify the investment? In many cases, the answer is yes.
In summary: Yes, foot pedals are a smart hygienic feature for high-traffic urban trash cans, but only if they are engineered for public-space durability and are part of a consistent maintenance plan. A well-built pedal bin supports a cleaner, more health-conscious urban environment.