Yes, Torontonians are terrified of heights
That list has errors all over the place and counts anything over 10 floors high: hardly a good measure of a city's affinity for height. Try this inventory of buildings with a roof height over 200 m. If the benchmark was 300 m or more, Toronto wouldn't even be on the list. 300m+ buildings: Toronto has zero so far, zero U/C, and zero proposed. As a point of reference, there are about 150 buildings over 300 m under construction around the world; 300m+ is hardly a rarity these days.
200 metre club (City - Number of Buildings With Roof Height Over 200 m - Tallest Building)
01. Hong Kong (54) - 484 m
02. New York (53) -381 m
03. Dubai (51) - 636 m
04. Shanghai (42) - 487 m
05. Chicago (27) - 442 m
06. Shenzhen (24) - 325 m
07. Tokyo (20) - 296 m
08. Houston (14) - 305 m
09. Guangzhou (13) - 441 m
10. Nanjing (12) - 317 m
11. Bangkok (12) - 304 m
12. Chongqing (12) - 283 m
13. Seoul (12) - 265 m
14. Los Angeles (11) - 310 m
15. Singapore (11) - 280 m
16. Jakarta (11) - 262 m
17. Kuala Lumpur (10) - 379 m
On the Bubble
18. Atlanta (9) - 285 m
19. Wuhan (8) - 331 m
20. Moscow (8) - 302 m
21. Toronto (8) - 298 m
22. Dallas (7) - 281 m
23. Manila (7) - 241 m
24. Melbourne (6) - 297 m
25. Incheon (5) - 305 m
26. Philadelphia (5) - 297 m
27. Dalian (5) - 243 m
28. Osaka (5) - 256 m
29. Panama City (5) - 255 m
30. Doha (5) - 254 m
31. Miami (5) - 242 m
32. Tianjin (5) - 238 m
33. Sydney (5) - 230 m
34. Busan (5) - 210 m
The Rest
Shenyang (4) - 305 m
Seattle (4) - 285 m
Charlotte (4) - 265 m
Frankfurt (4) - 259 m
Madrid (4) - 250 m
Hwaseong (4) - 249 m
Minneapolis (4) - 241 m
London (4) - 235 m
Riyadh (3) - 311 m
Gold Coast (3) - 275 m
Cleveland (3) - 271 m
San Francisco (3) - 260 m
Manama (3) - 260 m
Jeddah (3) - 250 m
Nagoya (3) - 247 m
Mexico City (3) - 225 m
Denver (3) - 218 m
Taipei (2) - 448 m
Kaohsiung (2) - 348 m
Pittsburgh (2) - 256 m
Qingdao (2) - 249 m
Boston (2) - 241 m
Perth (2) - 226 m
Caracas (2) - 225 m
Daegu (2) - 225 m
Paris (2) - 225 m
Mumbai (2) - 210 m
Brisbane (2) - 207 m
Ulsan (2) awaiting data
Pyongyang (1) - 330 m
Abu Dhabi (1) - 310 m
Kuwait City (1) - 300 m
Istanbul (1) - 261 m
Chengdu (1) - 260 m
Indianapolis (1) - 253 m
Tel Aviv (1) - 244 m
Jersey City (1) - 238 m
Istanbul (1) - 238 m
Fukuoka (1) - 234 m
Penang (1) - 232 m
Urumqi (1) - 230 m
Xi'an (1) - 228 m
Mobile (1) - 227 m
Pattaya (1) - 226 m
Las Vegas (1) - 224 m
Johannesburg (1) - 223 m
Detroit (1) - 222 m
Calgary (1) - 215 m
Hanamatsu (1) - 213 m
New Orleans (1) - 212 m
Casablanca (1) - 210 m
Austin (1) - 208 m
Montréal (1) - 205 m
Tulsa (1) - 203 m
Vancouver (1) - 201 m
Cincinnati (1) - 201 m
Kish (1) - 200 m