Mojang please fix this

This is for minecraft developers like Jeb and Dinnerbone and Grumm ETC

so if i am effecting someone with say levitation 3 constantly and then i change his score so that its effecting him/her with levitation (any number other then 3) constantly it will still be effecting him/her with level 3 and not the new level and remember 3 is just an example here's an example of this
just copy and paste that in a command block and power it

/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:"/scoreboard objectives add Glide dummy",Riding:{id:MinecartCommandBlock,Command:"/scoreboard objectives add Glide1 dummy",Riding:{id:MinecartCommandBlock,Command:"/tellraw @a \"This bug/glitch is i believe in other versions\"",Riding:{id:MinecartCommandBlock,Command:"/tellraw @a \"This example is 1.9 only\"",Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~-1 {auto:1,Command:"scoreboard players set @a Glide1 1 {Inventory:[{Slot:-106b,id:\\\"minecraft:leather\\\"}]}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~1 {auto:1,Command:"scoreboard players set @a Glide 1 {SelectedItem:{id:minecraft:leather}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~-1 {auto:1,Command:"effect @e[score_Glide_min=1] minecraft:jump_boost 1 250 true"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~1 {auto:1,Command:"effect @e[score_Glide_min=1] minecraft:levitation 1 250 true"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~-1 {auto:1,Command:"effect @a[score_Glide1_min=1] minecraft:levitation 1 2 true"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~1 {auto:1,Command:"scoreboard players set @a Glide 0"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-2 ~-1 {auto:1,Command:"scoreboard players set @a Glide1 0"},Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~-1 ~6 ~-2 ~-1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~-1 ~6 ~-2 ~-1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~1 ~5 ~-2 ~1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~1 ~6 ~-2 ~1 repeating_command_block,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~7 ~-2 ~2 stained_glass 3 replace stained_hardened_clay 3,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-3 ~-2 ~7 ~-1 ~2 stained_hardened_clay 3 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}