@Acx1688 I think I know why LTA rejected your
suggestion.
Simply because the demand for bus services at that area is too
high, and combining them into 1 single bus service would reduce the
supply of bus services.
Some routes are similar because they complement each other, so
that the load can be spread out. If combine those routes into
one single route, the entire load will be on that one route and
there will be a lot of unnecessary complications regarding crowd
management.
More bus services = better ride. 
Alternatively, instead of combining bus services, you could
suggest to LTA to introduce a new bus route, which duplicates
sections of these bus services.
That is probably why the new BSEP bus routes are mostly
duplicating existing bus services. For instance, BSEP service 49
duplicates mainly existing service 98.
#justsaying
Back to 82/107, before NEL introduce, 82 run from Punggol End to
Shenton Way... SDs...
Can upgrade extended 82 to FULL DD service and special 82e plying
Punggol/part of SKG before going KPE/Shenton Way area as suggested
by a few bros here.
Correspondence with LTA seem to give me the impression that there
is Premium 569 running in the morning, find it puzzling, Punggol
residents must pay premium ride and worse only one trip every
weekday just to get to town?! It does not hold as most of the
housing estates(except Yew Tee, but that is another story) have at
least one service to town/CBD area. (please do not ask me to list
hor, you all should knoe)
After that, kena chopped to end at SGN station, if NEL breakdown at
Punggol, Punggol residents ho say liao, but wait for MRT shuttle
will at least be better than SMRT's dilly dally denial
attitude...