It would've benefited the park's sunlight as well (though I'm unsure how much a single Parks tower is blocking the afternoon/evening sun; two might be a different storey though.)
I guess Katz did find a way to make a dollar from skating:
https://app.live.rogersplace.com/e/es?s=1155674399&e=357556&elqTrackId=3650cc7c14ee4c7fa3b9d679298665bc&elq=30ba4d84382d48f7a5e501d6a2760b7f&elqaid=13197&elqat=1&elqak=8AF5C8992ACB3F984B3D1021A1F961CA10DDEA5650062D4CAF43E85776113D573784