Finnair has offered a new promotion until 27th of December 2021 for buying points.
You will receive 100% bonus award points and you will receive 25% status points of the total amount of award points!
There is possibility to purchase Gold status (Oneworld Sapphire) and even Platinum (Oneworld Emerald). You could hold almost 2 years this status, by just signing up and exchange the missing status points in ration of 3:1.
Gold status requires 80 000 points, while Platinum requires 150 000 points.
You have to decide for yourself whether you can afford it and whether you can use the status privileges.