Notify on every like should be the default

[mcwumbly (Dave McClure)]

dropping this data here since it’s somewhat relevant:

Like Notifications are clearing without viewing the Post

FWIW, average likes per day for the top 50 users on meta this past week: 23.1, 21.4, 10.3, 8.9, 8.4, 6.9, 6.7, 6.6, 6.3, 6.1, 5.3, 4.4, 4.4, 4.1, 4.0, 3.9, 3.6, 3.3, 2.9, 2.9, 2.6, 2.3, 2.1, 2.1, 2.0, 2.0, 2.0, 1.9, 1.9, 1.9, 1.4, 1.4, 1.4, 1.3, 1.3, 1.1, 1.1, 1.1, 1.1, 1.0, 1.0, 1.0, 1.0, 1.0, 0.9, 0.9, 0.9, 0.9, 0.9, 0.9, 0.9