Both of these comments are dated.
That was certainly the case for a long time, but it is changing.
If you go to newer parks, they are built to encourage more 'risk taking'.
You will notice in these newer parks that they incorporate more metal/wood/natural features and far less plastic.
If you have children in daycare, you will notice this trend too. This type of playground/risk taking is part of the YMCA's national curriculum for example.
For example, here is a brand new park in Newmarket.
Notice the boat that is belly up. You can climb right to the top on the rounded 'bottom' and are quite high with no barriers.
This type of 'risk taking' promotes problem solving skills, instills confidence, and is fun. Learning to assess risk is an essential skill for life. All of this is good for child development.
If you visit some parks built within the past 5 years, you will start to notice they are closer in spirit to parks of the 1980s, than parks of the Late 90s / 2000s.
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