They have not updated the T&Cs at this stage, they refer to 2017. From the webpage (link provided):
https://www.united.com/web/en-US/con...r/qualify.aspx
Learn more about waivers and exemptions
Waiver for PQD requirement- In 2017, the PQD requirement is waived for Premier Silver, Premier Gold and Premier Platinum qualification if you meet one of the following criteria:
- You spend at least $25,000 in Net Purchases during that calendar year on MileagePlus co-branded credit cards issued by Chase Bank USA, N.A.;
OR
- You hold a United MileagePlus Presidential PlusSM Card.Footnote *
This PQD waiver does not apply for Premier 1K qualification.
- If you use a military or diplomatic address (APO, DPO or FPO), you are exempt from the PQD requirement for all Premier levels, including Premier 1K.
Waiver for four-segment minimum
If you hold a MileagePlus Presidential Plus Card
Footnote * or a United MileagePlus Club Card, you are exempt from the four-segment minimum as long as you are the primary Cardmember and your Credit Card account is in good standing at the time of qualification.