this is not an opinion, just based on the % of teams that a region sent to champions that qualified for playoffs.
EMEA: 100% (3/3)
NA: 66% (2/3)
KR: 100% (1/1)
LATAM: 50%(1/2) [Tied with LATAM]
BR: 50% (1/2) [Tied with LATAM]
-=-=[Non-Qualifying]=-=-
APAC: 0% (0/3) [Tied with JP, EA for last]
EA: 0% (0/1) [Tied with APAC, JP for last]
JP: 0% (0/1) [Tied with APAC, EA for last]