Blizzard’s time invested in tuning raids for LFR should be reallocated into tuning them for 5-man versions of the instances instead.
Back in the day, casuals ran 5-mans, and we liked it. Instead of giving us a drama filled LFR snooze fests, give us a challenge with 5-man versions of the high-end raids.
This opens a new endgame for those who do not want to commit to 10-25 man raiding. Make them hard, but doable in 1-2 hours with a competent group. Don’t put them into the dungeon finder. Make people fly out to them. Put a one week lockout on them. Loot is equivalent to LFR gear.
Also, get raid/dungeon scaling implemented. We want a “scaling switch” to enable/disable scaling to run old raids as a challenge. There are around 30 old raids that are mainly used for transmog runs only. Scale them and allow for LFR level gear to drop and watch them come alive again.
The new loot system in WoD make this an even better idea. The hardcore folks who are not in a Heroic/Mythic raiding group could run “all” 30+ old raids per week trying to get their “perfect” LFR level gear.
TLDR: Remove LFR. Enable 5-man raids. Enable optional raid scaling.